The manual of billing for Internet services / ed. Chorleywood Consulting
The manual of interconnect billing / ed. Chorleywood Consulting Ltd.
Customer billing systems : a study of the best examples and practices / ed. Chorleywood Consulting
Fraud control, bad debt & deliquent account management
The manual of tariff innovation : for telephony services / ed. Chorleywood Consulting
The manual of best billing practices for telcos / ed. Chorleywood Consulting Ltd.
The manual of tariffing for specific market segments / Chorleywood Consulting Ltd.